Compositae Working Group (CWG) (2021). Global Compositae Database. Trichophyllum oppositifolium Nutt.. Accessed at: https://www.compositae.org/aphia.php?p=taxdetails&id=1195415 on 2025-03-26
original description(1818). The Genera of North American Plants. 2: Addit. page(s): 167 [details]
Unreviewed
Contributed data: Published Data only shown for fields conflicting with the consensus taxon record The Genera of North American Plants 2: [Tropicos] [details] LSID urn:lsid:compositae.org:names:2B898564-BD26-48B3-8FCF-9DDFBCD2B2DB [details] Taxonomy May-Jun 1818 [details] Type material near Fort Mandan [details]